11357205347 has 4 divisors (see below), whose sum is σ = 11500967520. Its totient is φ = 11213443176.

The previous prime is 11357205337. The next prime is 11357205373. The reversal of 11357205347 is 74350275311.

It is a happy number.

11357205347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11357205347 is a prime.

It is a super-2 number, since 2×11357205347² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11357205347.

It is not an unprimeable number, because it can be changed into a prime (11357205337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71880968 + ... + 71881125.

It is an arithmetic number, because the mean of its divisors is an integer number (2875241880).

Almost surely, 2^11357205347 is an apocalyptic number.

11357205347 is a deficient number, since it is larger than the sum of its proper divisors (143762173).

11357205347 is an equidigital number, since it uses as much as digits as its factorization.

11357205347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143762172.

The product of its (nonzero) digits is 88200, while the sum is 38.

The spelling of 11357205347 in words is "eleven billion, three hundred fifty-seven million, two hundred five thousand, three hundred forty-seven".